Lubricating oil compositions

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 169/04 (2006.01) C10M 105/04 (2006.01)

Patent

CA 2297919

A lubricating oil composition for internal combustion engines comprises: (A) a major amount of a basestock of lubricating viscosity containing from greater than (35) to less than (70) mass % of one or more PAO's, the balance preferably being one or more Group I basestocks as defined in API 1509; and (B) two or more additive components such as an ashless despersant and a metal detergent.

L'invention concerne une composition d'huile lubrifiante pour moteurs à combustion interne, qui renferme: (A) une quantité principale d'une huile de base présentant une viscosité lubrifiante, qui contient une quantité supérieure à 35 % mais inférieure à 70 % en masse d'une ou de plusieurs poly(alpha-oléfines) (PAO), le reste étant de préférence une ou plusieurs huiles de base du groupe I telles que définies dans API 1509; et (B) deux ou davantage de constituants d'additifs tels qu'un agent dispersant sans cendre et un détergent métallique.

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